Infiniti G35 (V35) Sedan. Manual — part 251
BRC-78
< ECU DIAGNOSIS >
[VDC/TCS/ABS]
ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
SIDE G-SENSOR
Transverse G detected by side G sensor
Vehicle stopped
Approx. 0 m/s
2
Vehicle turning right
Negative value
(m/s
2
)
Vehicle turning left
Positive value
(m/s
2
)
STR ANGLE SIG
Steering angle detected by steering angle
sensor
Straight-ahead
Approx. 0
°
Steering wheel turned
–720 to 720
°
4WD MODE MON
(Note 2)
AWD activated
Engine running
AUTO
PRESS SENSOR
Brake fluid pressure detected by pressure
sensor
With ignition switch turned ON and brake
pedal released
Approx. 0 bar
With ignition switch turned ON and brake
pedal depressed
–40 to 300 bar
ENGINE RPM
With engine running
With engine stopped
0 rpm
Engine running
Almost in accor-
dance with tachome-
ter display
FLUID LEV SW
Brake fluid level switch signal status
When brake fluid level switch ON
ON
When brake fluid level switch OFF
OFF
PARK BRAKE SW
Parking brake switch signal status
Parking brake switch is active
ON
Parking brake switch is inactive
OFF
FR RH IN SOL
Operation status of each solenoid valve
Actuator (solenoid valve) is active (“AC-
TIVE TEST” with CONSULT-III) or actua-
tor relay is inactive (in fail-safe mode)
ON
When the actuator (solenoid valve) is not
active and actuator relay is active (igni-
tion switch ON)
OFF
FR RH OUT SOL
Operation status of each solenoid valve
Actuator (solenoid valve) is active (“AC-
TIVE TEST” with CONSULT-III) or actua-
tor relay is inactive (in fail-safe mode)
ON
When the actuator (solenoid valve) is not
active and actuator relay is active (igni-
tion switch ON)
OFF
FR LH IN SOL
Operation status of each solenoid valve
Actuator (solenoid valve) is active (“AC-
TIVE TEST” with CONSULT-III) or actua-
tor relay is inactive (in fail-safe mode)
ON
When the actuator (solenoid valve) is not
active and actuator relay is active (igni-
tion switch ON)
OFF
FR LH OUT SOL
Operation status of each solenoid valve
Actuator (solenoid valve) is active (“AC-
TIVE TEST” with CONSULT-III) or actua-
tor relay is inactive (in fail-safe mode)
ON
When the actuator (solenoid valve) is not
active and actuator relay is active (igni-
tion switch ON)
OFF
RR RH IN SOL
Operation status of each solenoid valve
Actuator (solenoid valve) is active (“AC-
TIVE TEST” with CONSULT-III) or actua-
tor relay is inactive (in fail-safe mode)
ON
When the actuator (solenoid valve) is not
active and actuator relay is active (igni-
tion switch ON)
OFF
Monitor item
Display content
Data monitor
Condition
Reference value in
normal operation
ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
BRC-79
< ECU DIAGNOSIS >
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
RR RH OUT SOL
Operation status of each solenoid valve
Actuator (solenoid valve) is active (“AC-
TIVE TEST” with CONSULT-III) or actua-
tor relay is inactive (in fail-safe mode)
ON
When the actuator (solenoid valve) is not
active and actuator relay is active (igni-
tion switch ON)
OFF
RR LH IN SOL
Operation status of each solenoid valve
Actuator (solenoid valve) is active (“AC-
TIVE TEST” with CONSULT-III) or actua-
tor relay is inactive (in fail-safe mode)
ON
When the actuator (solenoid valve) is not
active and actuator relay is active (igni-
tion switch ON)
OFF
RR LH OUT SOL
Operation status of each solenoid valve
Actuator (solenoid valve) is active (“AC-
TIVE TEST” with CONSULT-III) or actua-
tor relay is inactive (in fail-safe mode)
ON
When the actuator (solenoid valve) is not
active and actuator relay is active (igni-
tion switch ON)
OFF
MOTOR RELAY
Motor and motor relay operation
When the motor relay and motor are op-
erating
ON
When the motor relay and motor are not
operating
OFF
ACTUATOR RLY
(Note 3)
Actuator relay operation
When the actuator relay is operating
ON
When the actuator relay is not operating
OFF
ABS WARN LAMP
ABS warning lamp
(Note 4)
When ABS warning lamp is ON
ON
When ABS warning lamp is OFF
OFF
OFF LAMP
VDC OFF indicator lamp
(Note 4)
When VDC OFF indicator lamp is ON
ON
When VDC OFF indicator lamp is OFF
OFF
SLIP LAMP
SLIP indicator lamp
(Note 4)
When SLIP indicator lamp is ON
ON
When SLIP indicator lamp is OFF
OFF
SNOW MODE SW
SNOW mode switch
When snow mode switch is ON
ON
When snow mode switch is OFF
OFF
4WD FAIL REQ
(Note 2)
AWD control unit fail-safe signal
When AWD control unit is fail-safe mode
ON
When AWD control unit is normal
OFF
BST OPER SIG
Not applied but displayed
—
OFF
M-MODE SIG
Manual mode activated
When the manual mode is active
ON
When the manual mode is inactive
OFF
EBD SIGNAL
EBD operation
EBD is active
ON
EBD is inactive
OFF
ABS SIGNAL
ABS operation
ABS is active
ON
ABS is inactive
OFF
TCS SIGNAL
TCS operation
TCS is active
ON
TCS is inactive
OFF
VDC SIGNAL
VDC operation
VDC is active
ON
VDC is inactive
OFF
EBD FAIL SIG
EBD fail-safe signal
In EBD fail-safe
ON
EBD is normal
OFF
Monitor item
Display content
Data monitor
Condition
Reference value in
normal operation
BRC-80
< ECU DIAGNOSIS >
[VDC/TCS/ABS]
ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
NOTE:
• 1: Confirm tire pressure is normal.
• 2: Only AWD models.
• 3: A brief moment of ON/OFF condition occurs every 20 seconds after ignition switch turned ON. This is not malfunction because it is
an operation for checking.
• 4: On and off timing for warning lamp and indicator lamp.
- ABS warning lamp: Refer to
.
ABS FAIL SIG
ABS fail-safe signal
In ABS fail-safe
ON
ABS is normal
OFF
TCS FAIL SIG
TCS fail-safe signal
In TCS fail-safe
ON
TCS is normal
OFF
VDC FAIL SIG
VDC fail-safe signal
In VDC fail-safe
ON
VDC is normal
OFF
CRANKING SIG
Crank operation
Crank is active
ON
Crank is inactive
OFF
USV [FL-RR]
(Note 3)
VDC switch-over valve
When actuator (switch-over valve) is ac-
tive (“ACTIVE TEST” with CONSULT-III)
or actuator relay is inactive (when in fail-
safe mode)
ON
When actuator (switch-over valve) is not
active and actuator relay is active (igni-
tion switch ON)
OFF
USV [FR-RL]
(Note 3)
VDC switch-over valve
When actuator (switch-over valve) is ac-
tive (“ACTIVE TEST” with CONSULT-III)
or actuator relay is inactive (when in fail-
safe mode)
ON
When actuator (switch-over valve) is not
active and actuator relay is active (igni-
tion switch ON)
OFF
HSV [FL-RR]
(Note 3)
VDC switch-over valve
When actuator (switch-over valve) is ac-
tive (“ACTIVE TEST” with CONSULT-III)
or actuator relay is inactive (when in fail-
safe mode)
ON
When actuator (switch-over valve) is not
active and actuator relay is active (igni-
tion switch ON)
OFF
HSV [FR-RL]
(Note 3)
VDC switch-over valve
When actuator (switch-over valve) is ac-
tive (“ACTIVE TEST” with CONSULT-III)
or actuator relay is inactive (when in fail-
safe mode)
ON
When actuator (switch-over valve) is not
active and actuator relay is active (igni-
tion switch ON)
OFF
V/R OUTPUT
(Note 3)
Solenoid valve relay activated
When the solenoid valve relay is active
(When ignition switch OFF)
ON
When the solenoid valve relay is not ac-
tive (in the fail-safe mode)
OFF
M/R OUTPUT
Actuator motor and motor relay activated
When the actuator motor and motor relay
are active
(“ACTIVE TEST” with CONSULT-III)
ON
When the actuator motor and motor relay
are inactive
OFF
Monitor item
Display content
Data monitor
Condition
Reference value in
normal operation
ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
BRC-81
< ECU DIAGNOSIS >
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
- Brake warning lamp: Refer to
- VDC OFF indicator lamp: Refer to
- SLIP indicator lamp: Refer to
TERMINAL LAYOUT
JSFIA0009ZZ
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